Number Series - Verbal and Reasoning

Directions to SolveLook carefully for the pattern, and then choose which pair of numbers comes next.
Q1:

20 20 17 17 14 14 11

A 8 8

B 11 11

C 11 14

D 8 9

E 11 8

ANS:E - 11 8

This is a simple subtraction with repetition series. It begins with 20, which is repeated, then 3 is subtracted, resulting in 17, which is repeated, and so on.